package com.itheima.ydd.common;

import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

//全局异常处理
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
//@RestControllerAdvice
@Slf4j
public class GlobalExceptionHandler {

    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
    public Result exceptionHandler(SQLIntegrityConstraintViolationException ex) {
        log.error(ex.getMessage());

        if (ex.getMessage().contains("Duplicate entry")) {
            String[] split = ex.getMessage().split(" ");
            String msg = split[2] + "已存在";
            return Result.error(msg);
        }
        return Result.error("未知错误");
    }

    @ExceptionHandler(CustomException.class)
    public Result exceptionHandler(CustomException ex) {
        log.error(ex.getMessage());

        return Result.error(ex.getMessage());
    }

    @ExceptionHandler(Exception.class)
    public Result exceptionCatcher(Exception exception){
        exception.printStackTrace();
        return Result.error("系统繁忙中，请稍后再试");
    }
}

